package com.atguigu.lease.web.admin.custom.inteceptors;

import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.util.ObjectUtils;
import org.springframework.web.servlet.HandlerInterceptor;
@Component
public class LoginProtectHandlerInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //从约定请求头中获取token
        String accessToken = request.getHeader("access_token");
        //判断是否为空，若为空，则没有登录
        if(ObjectUtils.isEmpty(accessToken)){
            throw new LeaseException(ResultCodeEnum.ADMIN_LOGIN_AUTH);
        }
        //检查token是否过期或被篡改
        JwtUtil.parseToken(accessToken);
        return true;
    }
}
